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postgresql - sql - count of `true` values
...actually omit ELSE null to get the same result.
– 200_success
May 12 '16 at 18:26
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Recommended date format for REST GET API
...xtra processing for converting to UTC for storing in UTC format in the database.
Readability of input/output.
Readability of GET URLs.
Notes:
Timezones are a presentation-layer problem! Most of your code shouldn't be dealing with timezones or local time, it should be passing Unix time around.
If...
Automate ssh-keygen -t rsa so it does not ask for a passphrase
...ing prompted for a passphrase you can do the following:
$ ssh-keygen -f id_rsa -t rsa -N ''
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What do the return values of node.js process.memoryUsage() stand for?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How do you use variables in a simple PostgreSQL script?
...e (http://www.postgresql.org/docs/9.1/static/sql-do.html )
DO $$
DECLARE v_List TEXT;
BEGIN
v_List := 'foobar' ;
SELECT *
FROM dbo.PubLists
WHERE Name = v_List;
-- ...
END $$;
Also you can get the last insert id:
DO $$
DECLARE lastid bigint;
BEGIN
INSERT INTO test (name) VALUES ('...
passport.js passport.initialize() middleware not in use
... match this exactly.
var app = express();
app.use(require('serve-static')(__dirname + '/../../public'));
app.use(require('cookie-parser')());
app.use(require('body-parser').urlencoded({ extended: true }));
app.use(require('express-session')({
secret: 'keyboard cat',
resave: true,
saveUninitia...
Is it possible to write to the console in colour in .NET?
...ple to fix though:
public class ConsoleWriter
{
private static object _MessageLock= new object();
public void WriteMessage(string message)
{
lock (_MessageLock)
{
Console.BackgroundColor = ConsoleColor.Red;
Console.WriteLine(message);
...
What is an MvcHtmlString and when should I use it?
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How can I count occurrences with groupBy?
...answered Jun 5 '17 at 21:37
user_3380739user_3380739
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Postgresql GROUP_CONCAT equivalent?
...
This is probably a good starting point (version 8.4+ only):
SELECT id_field, array_agg(value_field1), array_agg(value_field2)
FROM data_table
GROUP BY id_field
array_agg returns an array, but you can CAST that to text and edit as needed (see clarifications, below).
Prior to version 8.4, you...